Comment on Rails 4 UUID primary keys with PostgreSQLparentComments−jashkenas13yWhat's the advantage of a sequential UUID over an auto-incrementing integer?(Keeping in mind that both can be started at N on different shards, or prefixed.)−axelfontaine13yYou can merge any two data buckets, without any risk of id collision.
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What's the advantage of a sequential UUID over an auto-incrementing integer?
(Keeping in mind that both can be started at N on different shards, or prefixed.)
You can merge any two data buckets, without any risk of id collision.